#region License

//===================================================================================
//Copyright 2010 HexaSystems Corporation
//===================================================================================
//Licensed under the Apache License, Version 2.0 (the "License");
//you may not use this file except in compliance with the License.
//You may obtain a copy of the License at
//http://www.apache.org/licenses/LICENSE-2.0
//===================================================================================
//Unless required by applicable law or agreed to in writing, software
//distributed under the License is distributed on an "AS IS" BASIS,
//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//See the License for the specific language governing permissions and
//limitations under the License.
//===================================================================================

#endregion

using System;
using System.Linq;
using System.Web.UI;
using System.Globalization;
using System.Diagnostics;
using System.Collections.Generic;

using Hexa.Core.Web.UI.Controls;

namespace Hexa.Core.Web.UI
{

    /// <summary>
    /// Base Page
    /// </summary>
	public class BasePage : System.Web.UI.Page
	{
        protected Control FirstControl2SetFocus { get; set; }

		#region ViewState Helper

		/// <summary>
		/// Helper method to get the value from the ViewState
		/// </summary>
		/// <typeparam name="T"></typeparam>
		/// <param name="propertyName"></param>
		/// <returns></returns>
		[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1004:GenericMethodsShouldProvideTypeParameter")]
		protected T GetProperty<T>(string propertyName)
		{
			if (ViewState[propertyName] == null)
				return default(T);

			return (T)ViewState[propertyName];
		}

		/// <summary>
		/// Helper method to set the value to the ViewState
		/// </summary>
		/// <typeparam name="T"></typeparam>
		/// <param name="propertyName"></param>
		/// <param name="value"></param>
		protected void SetProperty<T>(string propertyName, T value)
		{
			ViewState[propertyName] = value;
		}

		#endregion

		#region  Methods

        #region  Globalization 

        /// <summary>
		/// Translates the specified key.
        /// </summary>
		/// <param name="key">The key.</param>
        /// <returns></returns>
		[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "t"), System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "t")]
		protected string t(string key)
	    {
			System.Reflection.Assembly assembly = null;

			if (!this.GetType().FullName.StartsWith("ASP", StringComparison.OrdinalIgnoreCase))
				assembly = System.Reflection.Assembly.GetCallingAssembly();
			else
				assembly = this.GetType().BaseType.Assembly;

			return GNU.Gettext.GettextHelper.t(key, assembly);
	    }

		[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "t"), System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "t")]
		protected String t(String key, params object[] args)
		{
			return String.Format(CultureInfo.InvariantCulture, t(key), args);
		}

        #endregion

		#region Exceptions

		/// <summary>
		/// Displays the exception.
		/// </summary>
		/// <param name="Exception">The exception.</param>
		public void DisplayException(Exception exception)
		{
			if ((exception) is System.Threading.ThreadAbortException)
				return;

			System.Text.StringBuilder sb = new System.Text.StringBuilder();
			sb.Append(t(exception.Message));

			if (Debugger.IsAttached)
			{
				sb.Append("\r\n").Append("\r\n").Append("StackTrace: ");
				sb.Append("\r\n").Append(exception.StackTrace);
			}

			if (exception.GetType() == typeof(Validation.ValidationException))
                AddInvalidValidator(((Validation.ValidationException)exception).ValidationErrors.Select(e => e.Message));
			else
				AddInvalidValidator(new string[] { exception.Message });
		}

		/// <summary>
		/// Displays the exception.
		/// </summary>
		/// <param name="error">The expection message.</param>
		public void DisplayException(string error)
		{
			AddInvalidValidator(new string[] { error });
		}

		protected virtual void AddInvalidValidator(IEnumerable<string> errors)
		{
			foreach (string error in errors)
				this.Validators.Add(new InvalidValidator(error));
		}

		#endregion

        #endregion

	}

}

